CN211965618U

CN211965618U - Gasket forming die

Info

Publication number: CN211965618U
Application number: CN201922497345.3U
Authority: CN
Inventors: 高建国; 王雅量
Original assignee: Jiangsu China Railway Fastener Co ltd
Current assignee: Jiangsu China Railway Fastener Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-20
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a gasket forming die, comprises an upper die and a lower die, the lower mould includes the die holder and fixes the setting and is in the shaping terrace die of die holder upper end, place the work piece that remains to process on the shaping terrace die, it includes the upper die base and fixes the setting and is in to go up the mould the shaping die of upper die base lower extreme, be equipped with the air discharge duct of indent on the outer wall of shaping terrace die, the air discharge duct is followed the axial setting of shaping terrace die, the top of upper die base is equipped with the die shank, through set up the air discharge duct on the shaping terrace die, can effectual discharge during operation moulded die cavity gas, has solved the problem that gaseous unable discharge influences the machining precision when receiving the compression.

Description

Gasket forming die

Technical Field

The utility model relates to a mould processing technology field especially relates to a gasket forming die.

Background

The gasket is an important part in mechanical equipment and plays roles in adjusting gaps between parts, sealing and the like. The gasket forming die in the prior art is generally designed into a mechanism of a male die and a female die, and the die with the structure is not provided with an exhaust mechanism in the production process, so that gas can generate acting force on the gasket when the gasket is compressed, the gasket is not stably processed, and the precision is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the mould among the prior art can produce the effort to the gasket when receiving the compression owing to not having exhaust mechanism in the production process, and it is unstable to cause gasket processing, and the precision is poor, the utility model provides a gasket forming die solves above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a gasket forming die, includes mould and lower mould, the lower mould includes the die holder and fixes the setting the shaping terrace die of die holder upper end, place the work piece that remains to process on the shaping terrace die, it includes the upper die base and fixes the setting and is in to go up the mould the shaping die of upper die base lower extreme, be equipped with the air discharge duct of indent on the outer wall of shaping terrace die, the air discharge duct is followed the axial setting of shaping terrace die, the top of upper die base is equipped with the die shank.

Further: the forming die is characterized in that a forming die cavity is arranged in the forming cavity along the vertical direction, a guide step is arranged at the lower part of the forming die cavity, and the diameter size of the guide step is larger than that of the forming die cavity.

Further: and the outer wall of the forming male die is provided with a limiting clamping table protruding outwards, and the diameter of the limiting clamping table is larger than that of the forming die cavity and smaller than that of the guide step.

Further: the number of the exhaust grooves is multiple, and the exhaust grooves are uniformly arranged along the circumferential direction.

Further: the upper end face of the lower die base is provided with a guide pillar along the vertical direction, the lower end face of the upper die base is provided with a guide sleeve matched with the guide pillar, and the guide pillar is inserted into the guide sleeve and can move up and down along the vertical direction.

The beneficial effects of the utility model are that, the utility model relates to a gasket forming die is through setting up the air discharge duct on the shaping terrace die, and the problem that influences the machining precision when gaseous unable discharge receives the compression has been solved to the gas in can effectual discharge during operation moulded die cavity.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a gasket forming mold of the present invention;

fig. 2 is a schematic structural view of the forming punch.

In the drawing, the die comprises a lower die holder 1, a forming male die 2, an upper die holder 3, a forming female die 4, an exhaust groove 5, a die shank 6, a guide step 7, a limiting clamping table 8, a guide pillar 9, a guide sleeve 10, a guide sleeve 11 and a forming die cavity.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

As shown in fig. 1 and 2, the utility model provides a gasket forming die, including last mould and lower mould, the lower mould includes die holder 1 and fixed setting and is in shaping terrace die 2 of 1 upper end of die holder, place the work piece that remains to process on the shaping terrace die 2, it includes that upper die base 3 and fixed setting are in to go up the mould the shaping die 4 of 3 lower extremes of upper die base, be equipped with the air discharge duct 5 of indent on the outer wall of shaping terrace die 2, air discharge duct 5 is followed the axial setting of shaping terrace die 2, the quantity of air discharge duct 5 is a plurality of, and is a plurality of air discharge duct 5 evenly sets up along circumference, the top of upper die base 3 is equipped with die shank 6.

During operation, the driving device pushes the die shank 6 to press downwards, the forming operation of the gasket is completed through the matching of the forming male die 2 and the forming female die 4, the exhaust groove 5 is formed in the forming male die 2, gas in the forming female die 4 during operation can be effectively discharged, and the problem that the machining precision is affected when the gas in the forming female die 4 cannot be discharged and compressed is avoided.

And a forming die cavity 11 is arranged in the forming female die 4 along the vertical direction, a guide step 7 is arranged at the lower part of the forming die cavity 11, and the diameter of the guide step 7 is larger than that of the forming die cavity 11. The outer wall of the forming male die 2 is provided with a limiting clamping table 8 protruding outwards, and the diameter size of the limiting clamping table 8 is larger than that of the forming die cavity 11 and smaller than that of the guide step 7. The setting of direction step 7 and spacing ka tai 8 can avoid receiving excessive punching press when the gasket shaping, and then has guaranteed the fashioned quality of gasket.

The upper end surface of the lower die holder 1 is provided with a guide pillar 9 along the vertical direction, the lower end surface of the upper die holder 3 is provided with a guide sleeve 10 matched with the guide pillar 9, and the guide pillar 9 is inserted into the guide sleeve 10 and can move up and down along the vertical direction. The cooperation of guide pillar 9 guide pin bushing 10 has avoided the skew of stamping process in the horizontal direction to scurry the position, has improved the stability in the stamping process, has guaranteed the quality of punching press, has improved the life of mould.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a gasket forming die, includes mould and lower mould, its characterized in that: the lower die comprises a lower die base (1) and a forming male die (2) fixedly arranged at the upper end of the lower die base (1), a workpiece to be processed is placed on the forming male die (2), the upper die comprises an upper die base (3) and a forming female die (4) fixedly arranged at the lower end of the upper die base (3), an air exhaust groove (5) with an inner concave is formed in the outer wall of the forming male die (2), the air exhaust groove (5) is arranged along the axial direction of the forming male die (2), and a die shank (6) is arranged at the top of the upper die base (3).

2. The gasket-forming die of claim 1, wherein: be equipped with shaping die cavity (11) along vertical direction in shaping die (4), the lower part of shaping die cavity (11) is equipped with direction step (7), the diameter size of direction step (7) is greater than the diameter size of shaping die cavity (11).

3. The gasket-forming die of claim 2, wherein: the outer wall of the forming male die (2) is provided with a limiting clamping table (8) protruding outwards, and the diameter size of the limiting clamping table (8) is larger than that of the forming die cavity (11) and smaller than that of the guide step (7).

4. The gasket-forming die of claim 1, wherein: the number of the exhaust grooves (5) is multiple, and the exhaust grooves (5) are uniformly arranged along the circumferential direction.

5. The gasket-forming die of claim 1, wherein: the upper end face of the lower die holder (1) is provided with a guide pillar (9) in the vertical direction, the lower end face of the upper die holder (3) is provided with a guide sleeve (10) matched with the guide pillar (9), and the guide pillar (9) is inserted into the guide sleeve (10) and can move up and down in the vertical direction.